What is the purpose of education according to Mr. Myer?
A. Education is to accumulate ignorance.
B. Education is to end ignorance.
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What does Mr. Myer ask students to do after the concert?
A. To keep quiet and leave.
B. To stay and don't leave.
What can we know about the disease?
A. There is no way to treat this disease now.
B. It can disappear by doing some strange behaviors.
总需求曲线向下倾斜的原因是( )。
A. 较高的价格通过减少劳动力的参与而减少潜在GDP
B. 较高的价格引起利率下降，因而抑制投资
C. 较高的价格引起利率上升，因而抑制投资
D. 较高的价格刺激劳动力的参与，因此增加消费支出
总需求的影响因素：( )
A. 用来解释为什么总需求曲线具有负斜率
B. 用来说明整条总需求曲线的移动
C. 表明实际产出与价格水平之间的反方向变动关系
D. 用来表明投入品的价格和资源生产力之间的关系
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